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JPL Small-Body Database Browser
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391000 (2005 SC99)
Classification: Mars-crossing Asteroid          SPK-ID: 2391000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3136180167575747 5.6686e-08  
a 2.392592558075967 2.3106e-08 au
q 1.64223242510325 1.4082e-07 au
i 21.57962852043608 2.2851e-05 deg
node 204.3465641744943 1.6914e-05 deg
peri 253.2983190282731 5.1402e-05 deg
M 191.6815649291615 5.0749e-05 deg
tp 2459232.519869849516
(2021-Jan-18.01986985)
0.00019657 TDB
period 1351.766091753816
3.70
1.9581e-05
5.361e-08
d
yr
n .2663182648211917 3.8578e-09 deg/d
Q 3.142952691048685 3.0352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5500 days (15.06 yr)  
   first obs. used      2003-04-25  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68022  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:43:57  

Additional Information
 Earth MOID = .780394 au 
 Jupiter MOID = 2.52442 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO450375  

391000 (2005 SC99)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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